gold copper mining ore grinding ball mill machine 

Copper gold ore ball mill machine Ball mill, also called grinding mill, ball grinding mill, is the key equipment to grind the crushed materials, and the ball mill is widely used in powder-making production line including cement, silicate, new-type building material, refractory material, fertilizer, ore dressing of ferrous metal and non-ferrous metal, glass ceramics, etc, with medium hardness.  Ball mill Working Principle 1. The material is put into the first chamber of the ball mill by the feeding device through the hollow shaft. The chamber has stepped liner or corrugated liner, which is filled with steel balls of different specifications. 2. Then the rotation of the grinding cylinder generates centrifugal force to bring the grinding media to a certain height. After falling, they hit and grind the material. 3. When the material is coarsely ground in the first warehouse, it enters the second warehouse through a single-layer compartment board. This wa…